Elements of political geography.
Valkenburg, Samuel Van.
Elements of political geography. Samuel Van Valkenburg. - New Delhi: Prentice Hall of India, 1963. - 408p. 22cm.
Political pattern.
320.12 / VAE 1963
Elements of political geography. Samuel Van Valkenburg. - New Delhi: Prentice Hall of India, 1963. - 408p. 22cm.
Political pattern.
320.12 / VAE 1963